Resources must be listed in the web_accessible_resources manifest key in order to be loaded by pages outside the extension

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I have tried many ways( all documented procedures)to inject script into a specific page upon checking URL at onUpdated.addListener. Finally the below code with \'executescri

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时光取名叫无心

2020-12-14 07:26

Many will land up on this page for this error because they have not included their images/web resources in the manifest.json file. The link to the api documentation is helpful, so sharing it: web resource in manifest

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生来不讨喜

2020-12-14 07:29

EDIT:

This is working version where combination of web_accessible_resources and Injection is used

manifest.json

{
"name":"Off Screen Tabs Demo",
"description":"This demonstrates Off Screen Tabs API",
"manifest_version":2,
"version":"1",
"permissions":["tabs","<all_urls>"],
"browser_action":{
    "default_icon":"screen.png",
    "default_popup":"popup.html"
},
 "web_accessible_resources": ["js/LeoScript.js"] ,
 "permissions":["tabs","<all_urls>"]
}

LeoScript.js

alert("Injected..");

popup.html

<html>
<head>
<script src="popup.js"></script>
</head>
<body>
</body>
</html>

popup.js*

document.addEventListener("DOMContentLoaded",function (){
    chrome.tabs.executeScript( {"file": "js/LeoScript.js"});
});

Let me know if you still have problem in getting it running

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自闭症患者

2020-12-14 07:41
UPDATE: Finally figured out your problem. In eventPage.js, you tried to inject js/Leoscript.js, which is NOT whitelisted, instead of js/LeoScript.js (with a capital 'S'), which is whitelisted. Note that URLs are case-sensitive!
```
chrome.tabs.executeScript(tabId, {file: 'js/LeoScript.js'});
```
LeoScript.js:
```
alert('injected');
document.getElementById('username').value='aaaaaaa';
```
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